Assignee
JOHNSTON BARRY W
US·10 granted patents·1 pending application·76 citations·filing 1980–2024
Top patents by PatentIndex Score
11 records- 0178US4698973AClosed loop solar collector system powering a self-starting uniflow engineJOHNSTON BARRY W·Filed 1985·Granted Oct 13, 1987·34 cites·21 claims
- 0260US2026092577A1Near-Adiabatic External Heat Valve EngineJOHNSTON BARRY W·Filed 2024·Application pending·0 cites
- 0349US10982543B2Near-adiabatic engineJOHNSTON BARRY W·Filed 2017·Granted Apr 20, 2021·0 cites·20 claims
- 0449US4407129AClosed loop solar collecting system operating a thermoelectric generator systemJOHNSTON BARRY W·Filed 1982·Granted Oct 4, 1983·11 cites·4 claims
- 0548US4788823AValve mechanism for controlling a reciprocating engine power strokeJOHNSTON BARRY W·Filed 1987·Granted Dec 6, 1988·11 cites·8 claims
- 0640US10451000B2Nearly full adiabatic engineJOHNSTON BARRY W·Filed 2016·Granted Oct 22, 2019·0 cites·20 claims
- 0739US4627241AClosed loop solar collector system powering a self-starting uniflow steam engineJOHNSTON BARRY W·Filed 1984·Granted Dec 9, 1986·6 cites·10 claims
- 0836US4354483AClosed loop solar collector system with dual reservoirs and fluid bypassJOHNSTON BARRY W·Filed 1980·Granted Oct 19, 1982·5 cites·2 claims
- 0932US4938117AMulticylinder self-starting uniflow engineJOHNSTON BARRY W·Filed 1988·Granted Jul 3, 1990·3 cites·26 claims
- 1032US4412529AClosed loop solar collector system with dual reservoirs and fluid bypassJOHNSTON BARRY W·Filed 1982·Granted Nov 1, 1983·4 cites·4 claims
- 1130US4397300AClosed loop solar collector system with dual chamber fluid supply arrangementJOHNSTON BARRY W·Filed 1982·Granted Aug 9, 1983·2 cites·7 claims
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →